diff --git a/decimal.go b/decimal.go
index b48cfa9..a238c1d 100644
--- a/decimal.go
+++ b/decimal.go
@@ -1761,7 +1761,7 @@ func (d Decimal) Ceil() Decimal {
 //	decimal.NewFromString("123.456").Truncate(2).String() // "123.45"
 func (d Decimal) Truncate(precision int32) Decimal {
 	d.ensureInitialized()
-	if precision >= 0 && -precision > d.exp {
+	if -precision > d.exp {
 		return d.rescale(-precision)
 	}
 	return d